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Employee Benefit Plan - Additional Information (Detail) - CAD ($) $ in Millions | 12 Months Ended
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Dec. 31, 2022 | Dec. 31, 2021
Employees Benefit [Abstract] |  |
Individual contributions under defined contribution pension plan | 5.00% | 3.00%
Total expense under the defined contribution plan | $ 11 | $ 6

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- Definition The amount of post-employment benefit expense relating to defined contribution plans. Defined contribution plans are post-employment benefit plans under which an entity pays fixed contributions into a separate entity (a fund) and will have no legal or constructive obligation to pay further contributions if the fund does not hold sufficient assets to pay all employee benefits relating to employee service in the current and prior periods. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IAS -Number 19 -IssueDate 2022-03-24 -Paragraph 53 -URI https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=19&code=ifrs-tx-2022-en-r&anchor=para_53&doctype=Standard -URIDate 2022-03-24 + Details
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- Definition Defined contribution plans percentage + References No definition available. + Details
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- Definition Employees Benefit [abstract] + References No definition available. + Details
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